Polar Coordinate Drawing Robot: Arduino-Powered CNC Plotter Kit with AI Guidance

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

This kit lets you construct a drawing machine that renders mesmerizing polar coordinate patterns—spirals, rhodonea curves, and geometric mandalas—by precisely rotating a turntable while sliding a pen along a radial arm. Whether you're visualizing trigonometric functions in a math project or creating generative art, the robot turns abstract equations into tangible, repeatable drawings.

What You'll Build

A two-axis polar plotter that uses one NEMA17 stepper to spin the drawing platen and a second to move the pen linearly on a 200mm rail. You'll produce intricate patterns by converting angle and radius coordinates into coordinated motor steps. The final machine holds a pen or marker and draws on paper up to A4 size, controlled by Arduino Uno and G-code commands.

What You'll Learn

• Programming stepper motors with Arduino and A4988 drivers
• Converting polar coordinates (θ, r) to precise motor step counts
• Using CNC Shield V3 with GRBL firmware for smooth motion control
• Generating complex geometric patterns through code logic and mathematical loops

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Ideal for CBSE Class 11-12 students exploring CNC and robotics, B.Tech ECE/EEE mechatronics assignments, and Smart India Hackathon teams building automated drawing tools. ATL Tinkering Lab mentors will find it a ready project for teaching stepper synchronization and polar coordinate transformations. If you've tinkered with Arduino before and want to move from simple LED circuits to real motion control, this intermediate kit bridges the gap.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.